/* roulang page: index */
:root{
  --brand-1:#FF5A2B;
  --brand-2:#0FC2A8;
  --brand-3:#7A5CFF;
  --accent:#FFC53D;
  --ink-900:#10121A;
  --ink-700:#2A2E3A;
  --ink-500:#5A6072;
  --ink-300:#9AA0B0;
  --line:#E7E9F0;
  --bg:#F6F7F9;
  --surface:#FFFFFF;
  --grad:linear-gradient(120deg,#FF5A2B 0%,#FF8A3D 48%,#FFC53D 100%);
  --shadow-1:0 2px 8px rgba(16,18,26,.06);
  --shadow-2:0 12px 32px rgba(16,18,26,.10);
  --shadow-3:0 20px 48px rgba(16,18,26,.14);
  --r-card:20px;
  --r-large:28px;
  --r-btn:14px;
  --r-input:12px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --bs-primary:#FF5A2B;
  --bs-primary-rgb:255,90,43;
  --bs-body-font-family:-apple-system,"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",sans-serif;
  --bs-body-color:#2A2E3A;
  --bs-body-bg:#FFFFFF;
  --bs-border-radius:20px;
  --bs-border-color:#E7E9F0;
  --bs-link-color:#2A2E3A;
  --bs-link-hover-color:#FF5A2B;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink-700);
  background:var(--surface);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--ink-700);text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--brand-1)}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(255,90,43,.35);outline-offset:2px;border-radius:6px}
h1,h2,h3,h4,p{margin:0}
ul{margin:0;padding:0;list-style:none}
.container{max-width:1200px;padding-left:32px;padding-right:32px;margin:0 auto}
@media (min-width:1440px){.container{max-width:1280px}}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1040;
  height:68px;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{height:68px;display:flex;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:30px;height:30px;border-radius:10px;
  background:var(--grad);
  position:relative;
  box-shadow:0 4px 12px rgba(255,90,43,.28);
}
.brand-mark::after{
  content:"";position:absolute;inset:9px;border:3px solid #fff;border-radius:50%;
  border-right-color:transparent;transform:rotate(-28deg);
}
.brand-text{font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--ink-900)}
.nav-main{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-main .nav-link{
  position:relative;
  padding:0 14px;
  height:68px;
  display:inline-flex;align-items:center;
  font-size:14px;font-weight:600;color:var(--ink-500);
  transition:color .18s var(--ease);
}
.nav-main .nav-link:hover{color:var(--ink-900)}
.nav-main .nav-link.active{color:var(--ink-900)}
.nav-main .nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;
  background:var(--grad);border-radius:2px 2px 0 0;
}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.cmd-search{position:relative;width:236px}
.cmd-search i{position:absolute;left:13px;top:50%;transform:translateY(-50%);font-size:13px;color:var(--ink-300)}
.cmd-search input{
  width:100%;height:40px;border-radius:var(--r-input);
  border:1px solid var(--line);background:#fff;
  padding:0 52px 0 34px;font-size:13.5px;color:var(--ink-700);
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.cmd-search input::placeholder{color:var(--ink-300)}
.cmd-search input:focus{outline:none;border-color:var(--brand-1);box-shadow:0 0 0 4px rgba(255,90,43,.14)}
.cmd-kbd{
  position:absolute;right:8px;top:50%;transform:translateY(-50%);
  font-size:11px;font-weight:600;color:var(--ink-500);
  background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:2px 6px;
  pointer-events:none;
}
.icon-btn{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;color:var(--ink-500);
  transition:all .18s var(--ease);cursor:pointer;
}
.icon-btn:hover{border-color:rgba(255,90,43,.4);color:var(--brand-1);transform:translateY(-1px)}
.menu-btn{display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;color:var(--ink-700)}

/* 按钮 */
.btn-brand{
  background:var(--grad);color:#fff;border:none;border-radius:var(--r-btn);
  height:44px;padding:0 22px;font-size:14.5px;font-weight:700;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  box-shadow:0 8px 20px rgba(255,90,43,.24);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),filter .18s var(--ease);
}
.btn-brand:hover{color:#fff;transform:translateY(-1px);box-shadow:0 12px 28px rgba(255,90,43,.32)}
.btn-brand:active{transform:translateY(1px);filter:saturate(.86)}
.btn-brand.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-ghost{
  height:44px;padding:0 22px;border-radius:var(--r-btn);font-size:14.5px;font-weight:700;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;border:1px solid rgba(255,255,255,.32);color:#fff;
  transition:all .18s var(--ease);
}
.btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.6);transform:translateY(-1px)}
.btn-line{
  height:44px;padding:0 22px;border-radius:var(--r-btn);font-size:14.5px;font-weight:700;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:#fff;border:1px solid var(--line);color:var(--ink-700);
  transition:all .18s var(--ease);
}
.btn-line:hover{border-color:rgba(255,90,43,.5);color:var(--brand-1);transform:translateY(-1px);box-shadow:var(--shadow-1)}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;background:var(--ink-900);color:#fff;
  min-height:max(560px,78vh);
  display:flex;align-items:center;
  padding:112px 0 88px;
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:24px 24px;
}
.hero-glow{
  position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(circle at 16% 20%,rgba(122,92,255,.26),transparent 45%),
    radial-gradient(circle at 84% 72%,rgba(15,194,168,.20),transparent 48%);
}
.hero-motif{
  position:absolute;right:-90px;top:-70px;width:340px;height:340px;border-radius:50%;
  border:22px solid rgba(255,255,255,.10);pointer-events:none;
}
.hero-motif::after{
  content:"";position:absolute;right:-22px;bottom:-22px;width:56%;height:56%;
  background:var(--ink-900);border-radius:0 0 0 0;
}
.hero-inner{position:relative;z-index:2;width:100%}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.02em;
  color:#FFD9C9;background:rgba(255,90,43,.16);
  border:1px solid rgba(255,90,43,.42);
  border-radius:999px;padding:7px 15px;margin-bottom:22px;
}
.hero h1{
  font-size:clamp(30px,5.2vw,58px);font-weight:900;line-height:1.15;letter-spacing:-.02em;
  color:#fff;margin-bottom:20px;
}
.hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{
  font-size:17px;line-height:1.75;color:rgba(255,255,255,.72);max-width:520px;margin-bottom:30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:36px}
.stat-row{display:flex;flex-wrap:wrap;gap:12px}
.stat-pill{
  display:flex;align-items:center;gap:10px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  border-radius:999px;padding:9px 18px 9px 14px;
}
.stat-pill b{font-size:20px;font-weight:800;color:#fff;letter-spacing:-.02em}
.stat-pill span{font-size:12.5px;font-weight:600;color:rgba(255,255,255,.62)}
.hero-media{
  position:relative;border-radius:24px;overflow:hidden;
  aspect-ratio:16/10;
  border:1px solid rgba(255,255,255,.14);
  box-shadow:0 30px 70px rgba(0,0,0,.45),0 0 0 1px rgba(255,90,43,.18);
}
.hero-media img{width:100%;height:100%;object-fit:cover}
@media (min-width:992px){.hero-copy{padding-right:48px}}

/* ============ 通用板块 ============ */
section{padding:80px 0}
.section-head{margin-bottom:44px}
.section-head.row-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.section-title{font-size:clamp(24px,3.2vw,36px);font-weight:800;line-height:1.3;letter-spacing:-.01em;color:var(--ink-900);margin-bottom:14px}
.section-lead{font-size:17px;line-height:1.75;color:var(--ink-500);max-width:680px}
.text-link{font-size:14.5px;font-weight:700;color:var(--brand-1);display:inline-flex;align-items:center;gap:6px}
.text-link:hover{color:#E8481C}
.text-link i{transition:transform .18s var(--ease)}
.text-link:hover i{transform:translateX(3px)}
.bg-soft{background:var(--bg)}

/* 步骤卡 */
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step-card{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);padding:28px 24px 26px;
  box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.step-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-3);border-color:rgba(255,90,43,.3)}
.step-num{
  width:38px;height:38px;border-radius:12px;background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:800;
  box-shadow:0 6px 16px rgba(255,90,43,.26);margin-bottom:18px;
}
.step-icon{
  width:42px;height:42px;border-radius:12px;background:rgba(15,194,168,.12);color:#0A9E8A;
  display:flex;align-items:center;justify-content:center;font-size:17px;margin-bottom:16px;
}
.step-card h3{font-size:18px;font-weight:700;color:var(--ink-900);margin-bottom:10px}
.step-card p{font-size:14px;line-height:1.75;color:var(--ink-500)}
.step-arrow{
  position:absolute;right:-16px;top:50%;transform:translateY(-50%);
  color:var(--ink-300);font-size:14px;z-index:2;
}
.step-card:last-child .step-arrow{display:none}

/* 奖励卡 */
.reward-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.reward-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  display:flex;flex-direction:column;
}
.reward-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-3);border-color:rgba(255,90,43,.3)}
.reward-band{height:6px}
.band-1{background:linear-gradient(90deg,#0FC2A8,#5FE3CE)}
.band-2{background:linear-gradient(90deg,#FF5A2B,#FF8A3D)}
.band-3{background:linear-gradient(90deg,#7A5CFF,#FFC53D)}
.reward-figure{aspect-ratio:16/10;overflow:hidden;background:var(--bg)}
.reward-figure img{width:100%;height:100%;object-fit:cover;transition:transform .24s var(--ease)}
.reward-card:hover .reward-figure img{transform:scale(1.03)}
.reward-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.reward-title-row{display:flex;align-items:center;justify-content:space-between;gap:12px}
.reward-body h3{font-size:19px;font-weight:700;color:var(--ink-900)}
.qty-badge{
  font-size:12.5px;font-weight:700;color:#C43B12;background:rgba(255,90,43,.1);
  border:1px solid rgba(255,90,43,.3);border-radius:999px;padding:3px 10px;white-space:nowrap;
}
.reward-cond{font-size:13px;color:var(--ink-500);line-height:1.7;margin-top:auto}

/* 进度轨道 */
.progress-panel{
  background:#fff;border-radius:var(--r-large);border:1px solid var(--line);
  box-shadow:var(--shadow-2);padding:44px 40px 38px;
}
.track-scroll{overflow-x:auto;padding-bottom:6px}
.track{display:flex;align-items:flex-start;gap:0;min-width:760px;position:relative;margin-bottom:34px}
.track-node{flex:1;display:flex;flex-direction:column;align-items:center;gap:12px;position:relative}
.track-node::before{
  content:"";position:absolute;top:19px;left:50%;width:100%;height:2px;background:var(--line);
}
.track-node:last-child::before{display:none}
.track-node.done::before{background:linear-gradient(90deg,#FF5A2B,#FFC53D)}
.track-dot{
  width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:800;background:#fff;border:2px solid var(--line);color:var(--ink-300);
  position:relative;z-index:1;transition:all .2s var(--ease);
}
.track-node.done .track-dot{background:var(--grad);border-color:transparent;color:#fff}
.track-node.now .track-dot{
  border-color:var(--brand-1);color:var(--brand-1);box-shadow:0 0 0 6px rgba(255,90,43,.14);
  animation:pulseRing 2.2s infinite;
}
@keyframes pulseRing{
  0%{box-shadow:0 0 0 4px rgba(255,90,43,.20)}
  70%{box-shadow:0 0 0 14px rgba(255,90,43,0)}
  100%{box-shadow:0 0 0 4px rgba(255,90,43,0)}
}
.track-label{font-size:13.5px;font-weight:700;color:var(--ink-500);text-align:center;white-space:nowrap}
.track-node.done .track-label,.track-node.now .track-label{color:var(--ink-900)}
.progress-bar-row{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.pbar{flex:1;min-width:220px;height:8px;border-radius:999px;background:var(--line);overflow:hidden}
.pbar span{display:block;height:100%;width:68%;border-radius:999px;background:var(--grad)}
.pbar-val{
  font-size:13px;font-weight:700;color:#0A9E8A;background:rgba(15,194,168,.12);
  border:1px solid rgba(15,194,168,.32);border-radius:999px;padding:6px 14px;
}
.track-mask{position:relative}
@media (max-width:767px){
  .track-mask::after{
    content:"";position:absolute;top:0;right:0;width:48px;height:100%;
    background:linear-gradient(90deg,rgba(255,255,255,0),#fff);pointer-events:none;
  }
}

/* 栏目入口 */
.channel-list{display:flex;flex-direction:column;gap:16px}
.channel-item{
  display:flex;align-items:center;gap:22px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 26px;box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.channel-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-3);border-color:rgba(255,90,43,.3)}
.channel-ring{
  flex-shrink:0;width:56px;height:56px;border-radius:50%;
  border:3px solid rgba(255,90,43,.28);position:relative;
  display:flex;align-items:center;justify-content:center;
  font-size:19px;font-weight:800;color:var(--brand-1);
}
.channel-ring::after{
  content:"";position:absolute;right:-3px;bottom:-3px;width:18px;height:18px;background:#fff;border-radius:2px;
}
.channel-main{flex:1;min-width:0}
.channel-main h3{font-size:19px;font-weight:700;color:var(--ink-900);margin-bottom:6px}
.channel-main p{font-size:14px;color:var(--ink-500);line-height:1.7}
.channel-tag{
  font-size:12.5px;font-weight:700;color:#0A9E8A;background:rgba(15,194,168,.12);
  border:1px solid rgba(15,194,168,.3);border-radius:999px;padding:4px 12px;white-space:nowrap;
}
.channel-go{font-size:16px;color:var(--ink-300);transition:transform .18s var(--ease),color .18s var(--ease)}
.channel-item:hover .channel-go{transform:translateX(4px);color:var(--brand-1)}

/* 资讯卡 */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);height:100%;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-3);border-color:rgba(255,90,43,.3)}
.post-figure{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg)}
.post-figure img{width:100%;height:100%;object-fit:cover;transition:transform .24s var(--ease)}
.post-card:hover .post-figure img{transform:scale(1.03)}
.post-cat{
  position:absolute;left:14px;top:14px;
  font-size:12px;font-weight:700;color:#fff;background:rgba(16,18,26,.72);
  border-radius:999px;padding:4px 12px;backdrop-filter:blur(6px);
}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-body h3{
  font-size:18px;font-weight:700;line-height:1.5;color:var(--ink-900);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card:hover .post-body h3{color:var(--brand-1)}
.post-excerpt{
  font-size:14px;line-height:1.75;color:var(--ink-500);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.post-time{font-size:13px;font-weight:600;color:var(--ink-500);display:inline-flex;align-items:center;gap:6px}
.post-arrow{
  width:32px;height:32px;border-radius:10px;background:var(--bg);color:var(--ink-500);
  display:inline-flex;align-items:center;justify-content:center;font-size:12px;
  transition:all .18s var(--ease);
}
.post-card:hover .post-arrow{background:var(--grad);color:#fff}
.empty-state{
  grid-column:1/-1;text-align:center;padding:64px 24px;
  border:1px dashed var(--line);border-radius:var(--r-large);background:#fff;
}
.empty-state i{font-size:34px;color:var(--ink-300);margin-bottom:16px;display:block}
.empty-state p{font-size:15px;color:var(--ink-500);margin-bottom:20px}

/* FAQ */
.faq-wrap{max-width:900px;margin:0 auto}
.accordion-item{
  border:1px solid var(--line);border-radius:var(--r-card)!important;background:#fff;
  margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow-1);
}
.accordion-button{
  min-height:56px;font-size:16px;font-weight:700;color:var(--ink-900);
  background:#fff;padding:16px 24px;box-shadow:none!important;
}
.accordion-button:not(.collapsed){background:#fff;color:var(--brand-1)}
.accordion-button::after{
  background-image:none;content:"+";font-size:24px;font-weight:400;line-height:1;
  width:auto;height:auto;color:var(--brand-1);
  transition:transform .2s var(--ease),color .2s var(--ease);
}
.accordion-button:not(.collapsed)::after{transform:rotate(45deg);color:var(--brand-1)}
.accordion-body{
  position:relative;padding:0 24px 24px 28px;font-size:15px;line-height:1.8;color:var(--ink-500);
}
.accordion-body::before{
  content:"";position:absolute;left:14px;top:4px;bottom:24px;width:3px;border-radius:3px;background:var(--grad);
}

/* CTA 通栏 */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-large);
  background:var(--ink-900);color:#fff;text-align:center;
  padding:64px 32px;min-height:240px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 20% 25%,rgba(122,92,255,.28),transparent 46%),
             radial-gradient(circle at 80% 75%,rgba(255,90,43,.26),transparent 48%);
}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{font-size:clamp(24px,3.2vw,36px);font-weight:800;color:#fff;letter-spacing:-.01em}
.cta-band p{font-size:16px;color:rgba(255,255,255,.7);max-width:560px}
.cta-band .btn-brand{margin-top:10px;height:50px;padding:0 34px;font-size:15.5px}

/* 页脚 */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.62);padding:72px 0 0;position:relative;overflow:hidden}
.site-footer::before{
  content:"";position:absolute;left:-120px;top:-120px;width:300px;height:300px;border-radius:50%;
  border:20px solid rgba(255,255,255,.06);pointer-events:none;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;position:relative;z-index:2}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.footer-brand .brand-text{color:#fff}
.site-footer h4{font-size:14px;font-weight:700;color:rgba(255,255,255,.9);margin-bottom:18px}
.site-footer p{font-size:14px;line-height:1.75}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.62);display:inline-block;transition:all .18s var(--ease)}
.footer-links a:hover{color:var(--accent);transform:translateX(2px)}
.footer-bottom{
  margin-top:56px;padding:24px 0;border-top:1px solid rgba(255,255,255,.10);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);position:relative;z-index:2;
}
.footer-bottom a{color:rgba(255,255,255,.5)}
.footer-bottom a:hover{color:var(--accent)}

/* 移动抽屉 */
.offcanvas{background:#fff}
.offcanvas-header{border-bottom:1px solid var(--line);height:68px;padding:0 20px}
.drawer-search{position:relative;margin:18px 0 12px}
.drawer-search i{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--ink-300);font-size:13px}
.drawer-search input{
  width:100%;height:46px;border-radius:var(--r-input);border:1px solid var(--line);
  padding:0 14px 0 36px;font-size:14px;background:#fff;
}
.drawer-search input:focus{outline:none;border-color:var(--brand-1);box-shadow:0 0 0 4px rgba(255,90,43,.14)}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  height:56px;font-size:15px;font-weight:600;color:var(--ink-700);
  border-bottom:1px solid var(--line);
}
.drawer-nav a.active{color:var(--brand-1)}
.drawer-cta{margin-top:24px;padding-bottom:28px}
.drawer-cta .btn-brand{width:100%;height:50px}

/* 动画降级 */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .step-card:hover,.reward-card:hover,.post-card:hover,.channel-item:hover,.btn-brand:hover{transform:none}
  .track-node.now .track-dot{box-shadow:0 0 0 4px rgba(255,90,43,.20)}
}

/* 响应式 */
@media (max-width:1199.98px){
  .step-grid{grid-template-columns:repeat(2,1fr)}
  .step-arrow{display:none}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:36px}
  .cmd-search{width:200px}
}
@media (max-width:991.98px){
  .nav-main,.cmd-search,.icon-btn,.nav-right .btn-brand{display:none!important}
  .menu-btn{display:inline-flex}
  .container{padding-left:24px;padding-right:24px}
  section{padding:56px 0}
  .hero{padding:96px 0 64px;min-height:auto}
  .hero-media{margin-top:12px}
  .progress-panel{padding:32px 22px 28px}
  .post-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:767.98px){
  .hero{padding:88px 0 56px}
  .hero h1{font-size:clamp(28px,8vw,38px)}
  .hero-sub{font-size:16px}
  .hero-actions .btn-brand,.hero-actions .btn-ghost{flex:1;min-width:150px}
  .step-grid{grid-template-columns:1fr}
  .reward-grid{grid-template-columns:1fr}
  .post-grid{grid-template-columns:1fr}
  .channel-item{flex-wrap:wrap;gap:16px;padding:22px 20px}
  .channel-tag{order:3}
  .cta-band{padding:48px 22px}
  section{padding:48px 0}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .track{min-width:640px}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px}
  .hero{padding:80px 0 48px}
  .hero-media{aspect-ratio:16/9;border-radius:18px}
  .stat-pill{padding:8px 14px}
  .stat-pill b{font-size:18px}
  .post-body,.reward-body{padding-left:18px;padding-right:18px}
  .accordion-button{padding:14px 18px;font-size:15px}
  .accordion-body{padding:0 18px 20px 24px}
  .progress-panel{padding:26px 18px 24px}
}

/* roulang page: article */
:root{
  --brand-1:#FF5A2B;
  --brand-2:#0FC2A8;
  --brand-3:#7A5CFF;
  --accent:#FFC53D;
  --ink-900:#10121A;
  --ink-700:#2A2E3A;
  --ink-500:#5A6072;
  --ink-300:#9AA0B0;
  --line:#E7E9F0;
  --bg:#F6F7F9;
  --surface:#FFFFFF;
  --grad:linear-gradient(120deg,#FF5A2B 0%,#FF8A3D 48%,#FFC53D 100%);
  --r-card:20px;
  --r-big:28px;
  --r-btn:14px;
  --r-pill:999px;
  --shadow-1:0 2px 8px rgba(16,18,26,.06);
  --shadow-2:0 12px 32px rgba(16,18,26,.10);
  --shadow-3:0 20px 48px rgba(16,18,26,.14);
  --ease:cubic-bezier(.22,.61,.36,1);
  --bs-primary:#FF5A2B;
  --bs-body-font-family:-apple-system,"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",sans-serif;
  --bs-border-radius:14px;
  --bs-link-color:#FF5A2B;
  --bs-link-hover-color:#E04A1F;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink-700);
  background:var(--surface);
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--brand-1)}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:800;letter-spacing:-0.01em}
p{margin:0}
ul,ol{margin:0;padding:0}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(255,90,43,.35);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
@media (min-width:1440px){.container{max-width:1280px}}
@media (max-width:991px){.container{padding:0 24px}}
@media (max-width:575px){.container{padding:0 16px}}

/* 命令栏导航 */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:24px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:30px;height:30px;border-radius:10px;position:relative;flex:0 0 auto;
  background:var(--grad);
  box-shadow:0 6px 16px rgba(255,90,43,.32);
}
.brand-mark::before{
  content:"";position:absolute;inset:8px;border:2px solid rgba(255,255,255,.95);
  border-radius:50%;border-right-color:transparent;
}
.brand-text{font-size:18px;font-weight:800;color:var(--ink-900);letter-spacing:-.02em;white-space:nowrap}
.nav-main{display:flex;align-items:center;gap:6px;margin-left:8px;flex:1 1 auto}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 12px;
  font-size:14px;font-weight:600;color:var(--ink-500);border-radius:10px;
  transition:color .18s var(--ease),background-color .18s var(--ease);
}
.nav-link:hover{color:var(--ink-900);background:var(--bg)}
.nav-link.active{color:var(--ink-900)}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--grad);
}
.header-tools{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.header-search{position:relative;width:240px}
.header-search i{position:absolute;left:12px;top:50%;transform:translateY(-50%);font-size:13px;color:var(--ink-300)}
.header-search input{
  width:100%;height:40px;border-radius:12px;border:1px solid var(--line);background:var(--bg);
  padding:0 56px 0 34px;font-size:14px;color:var(--ink-700);transition:border-color .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease);
}
.header-search input::placeholder{color:var(--ink-300)}
.header-search input:focus{outline:none;background:#fff;border-color:var(--brand-1);box-shadow:0 0 0 4px rgba(255,90,43,.16)}
.kbd-hint{
  position:absolute;right:8px;top:50%;transform:translateY(-50%);
  font-size:11px;font-weight:700;color:var(--ink-500);background:#fff;border:1px solid var(--line);
  border-radius:8px;padding:2px 6px;font-variant-numeric:tabular-nums;
}
.icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--ink-500);
  transition:all .18s var(--ease);cursor:pointer;
}
.icon-btn:hover{color:var(--brand-1);border-color:rgba(255,90,43,.35);transform:translateY(-1px)}
.btn-grad{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);border:0;
  background:var(--grad);color:#fff;font-size:14px;font-weight:700;cursor:pointer;
  box-shadow:0 8px 20px rgba(255,90,43,.28);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),filter .18s var(--ease);
}
.btn-grad:hover{color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(255,90,43,.34);filter:hue-rotate(8deg)}
.btn-grad:active{transform:translateY(1px);filter:saturate(.85)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#fff;color:var(--ink-700);font-size:14px;font-weight:700;
  transition:all .18s var(--ease);
}
.btn-ghost:hover{border-color:rgba(255,90,43,.4);color:var(--brand-1);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(1px)}
.menu-toggle{display:none}

/* 抽屉 */
.drawer{
  position:fixed;inset:0;z-index:1040;display:none;
}
.drawer.is-open{display:block}
.drawer-backdrop{position:absolute;inset:0;background:rgba(16,18,26,.45)}
.drawer-panel{
  position:absolute;top:0;right:0;width:min(320px,86vw);height:100%;background:#fff;
  padding:20px;display:flex;flex-direction:column;gap:8px;overflow-y:auto;
  box-shadow:var(--shadow-3);
}
.drawer-panel .header-search{width:100%;margin-bottom:8px}
.drawer-link{
  display:flex;align-items:center;height:56px;padding:0 12px;border-radius:12px;
  font-size:15px;font-weight:600;color:var(--ink-700);border-bottom:1px solid var(--line);
}
.drawer-link:hover{background:var(--bg);color:var(--brand-1)}
.drawer-cta{margin-top:12px}

/* 面包屑 */
.crumbs-bar{border-bottom:1px solid var(--line);background:var(--bg)}
.crumbs{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:16px 0;font-size:14px;color:var(--ink-500)}
.crumbs a{color:var(--ink-500)}
.crumbs a:hover{color:var(--brand-1)}
.crumbs .sep{color:var(--ink-300)}
.crumbs .current{color:var(--ink-900);font-weight:600;max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* 文章头 */
.article-top{padding:48px 0 0}
.article-shell{max-width:820px;margin:0 auto}
.badge-cat{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:var(--r-pill);
  background:rgba(255,90,43,.10);border:1px solid rgba(255,90,43,.28);color:var(--brand-1);
  font-size:12px;font-weight:700;
}
.article-title{
  margin-top:18px;font-size:clamp(28px,4vw,42px);line-height:1.25;font-weight:900;letter-spacing:-.02em;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px;
  font-size:13px;font-weight:600;color:var(--ink-500);
}
.meta-row .dot{color:var(--ink-300)}
.meta-row i{color:var(--brand-2);margin-right:4px}
.meta-row time,.meta-row span.num{font-variant-numeric:tabular-nums}
.rule{height:1px;background:var(--line);border:0;margin:28px 0 0}

/* 正文 */
.article-body{
  max-width:820px;margin:0 auto;padding:32px 0 8px;
  font-size:17px;line-height:1.9;color:var(--ink-700);
}
.article-body>*+*{margin-top:1.2em}
.article-body h2{
  position:relative;padding-left:16px;margin-top:40px;font-size:24px;line-height:1.4;font-weight:800;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;background:var(--grad);
}
.article-body h3{margin-top:32px;font-size:19px;font-weight:700;line-height:1.5}
.article-body p{margin:1.2em 0 0}
.article-body ul,.article-body ol{margin:1.2em 0 0;padding-left:1.4em;line-height:1.8}
.article-body li+li{margin-top:8px}
.article-body ul li{list-style:disc}
.article-body ol li{list-style:decimal}
.article-body blockquote{
  margin:1.6em 0;padding:16px 20px;border-left:4px solid var(--brand-1);
  background:var(--bg);border-radius:0 16px 16px 0;color:var(--ink-700);
}
.article-body a{color:var(--brand-1);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{font-weight:700}
.article-body img{border-radius:16px;margin:1.6em auto 0}
.article-body figure{margin:1.6em 0 0}
.article-body figcaption{font-size:13px;color:var(--ink-500);text-align:center;margin-top:10px}
.article-body table{
  width:100%;border-collapse:separate;border-spacing:0;margin-top:1.6em;
  border:1px solid var(--line);border-radius:16px;overflow:hidden;font-size:15px;
  display:block;overflow-x:auto;white-space:nowrap;
}
.article-body thead th{background:var(--bg);font-weight:700;color:var(--ink-900);text-align:left}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line)}
.article-body tbody tr:nth-child(even){background:#FAFBFC}
.article-body tbody tr:last-child td{border-bottom:0}
.article-body code{
  background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:2px 6px;font-size:15px;
}

/* 空态 */
.empty-state{
  max-width:820px;margin:0 auto;padding:64px 24px;text-align:center;
  border:1px dashed var(--line);border-radius:var(--r-big);background:var(--bg);
}
.empty-state .empty-icon{
  width:72px;height:72px;margin:0 auto 18px;border-radius:22px;display:flex;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--line);color:var(--ink-300);font-size:26px;
}
.empty-state h2{font-size:22px}
.empty-state p{margin-top:10px;color:var(--ink-500);font-size:15px}
.empty-state .btn-ghost{margin-top:22px}

/* 标签 */
.tag-row{max-width:820px;margin:40px auto 0;display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.tag-row .tag-label{font-size:13px;font-weight:700;color:var(--ink-500);margin-right:4px}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);color:var(--ink-500);font-size:13px;font-weight:600;
  transition:all .18s var(--ease);
}
.tag:hover{border-color:rgba(255,90,43,.4);color:var(--brand-1);transform:translateY(-1px)}

/* 上一篇/下一篇 */
.pn-grid{max-width:820px;margin:28px auto 0;display:grid;grid-template-columns:1fr 1fr;gap:20px}
.pn-card{
  display:flex;align-items:center;gap:16px;padding:20px;border-radius:var(--r-card);
  border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-1);
  transition:all .2s var(--ease);
}
.pn-card:hover{transform:translateY(-3px);border-color:rgba(255,90,43,.3);box-shadow:var(--shadow-2);color:inherit}
.pn-card .arrow{
  width:40px;height:40px;flex:0 0 auto;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--bg);color:var(--brand-1);font-size:15px;
}
.pn-label{font-size:12px;font-weight:700;color:var(--ink-500)}
.pn-title{margin-top:4px;font-size:15px;font-weight:700;color:var(--ink-900);line-height:1.5}
.pn-card.next{text-align:right;flex-direction:row-reverse}
.back-row{max-width:820px;margin:24px auto 0;display:flex;justify-content:center}

/* 相关推荐 */
.section{padding:72px 0}
.section.soft{background:var(--bg)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px}
.section-head h2{font-size:clamp(22px,3vw,32px);line-height:1.3}
.section-head p{margin-top:10px;color:var(--ink-500);font-size:17px}
.link-more{font-size:14px;font-weight:700;color:var(--brand-1);display:inline-flex;align-items:center;gap:6px}
.link-more:hover{gap:10px}
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.post-card{
  display:flex;flex-direction:column;border-radius:var(--r-card);border:1px solid var(--line);background:#fff;
  overflow:hidden;box-shadow:var(--shadow-1);transition:all .2s var(--ease);height:100%;
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-3);border-color:rgba(255,90,43,.3);color:inherit}
.post-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg)}
.post-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.post-card:hover .post-cover img{transform:scale(1.03)}
.post-cover .badge-cat{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.94);backdrop-filter:blur(4px)}
.post-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1 1 auto}
.post-body h3{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-body p{
  margin-top:10px;font-size:14px;line-height:1.7;color:var(--ink-500);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{
  margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--ink-500);font-variant-numeric:tabular-nums;
}
.post-foot i{color:var(--brand-2);margin-right:6px}
.post-foot .go{color:var(--brand-1);font-size:14px}

/* CTA 通栏 */
.cta-band{
  background:var(--ink-900);border-radius:var(--r-big);padding:56px 32px;text-align:center;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(420px 220px at 18% 20%,rgba(122,92,255,.26),transparent 70%),
    radial-gradient(380px 220px at 82% 80%,rgba(15,194,168,.22),transparent 70%);
}
.cta-band>*{position:relative}
.cta-band h2{color:#fff;font-size:clamp(22px,3vw,32px)}
.cta-band p{margin:14px auto 0;max-width:620px;color:rgba(255,255,255,.72);font-size:16px}
.cta-band .btn-grad{margin-top:28px}

/* 页脚 */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.62);padding:64px 0 0;margin-top:8px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-text{color:#fff}
.footer-grid p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);max-width:340px}
.footer-grid h4{font-size:14px;font-weight:700;color:rgba(255,255,255,.9);margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.62);transition:all .18s var(--ease)}
.footer-links a:hover{color:var(--accent);transform:translateX(2px)}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.10);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.5);
}

@media (max-width:1199px){
  .post-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:991px){
  .nav-main,.header-tools .header-search,.header-tools .btn-grad{display:none}
  .menu-toggle{display:inline-flex}
  .header-inner{gap:12px}
  .section{padding:56px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .pn-grid{grid-template-columns:1fr}
  .pn-card.next{flex-direction:row;text-align:left}
  .article-body{font-size:17px}
  .crumbs .current{max-width:220px}
}
@media (max-width:575px){
  .section{padding:40px 0}
  .post-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cta-band{padding:40px 20px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .article-top{padding:32px 0 0}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
}

/* roulang page: category1 */
:root{
  --brand-1:#FF5A2B;
  --brand-2:#0FC2A8;
  --brand-3:#7A5CFF;
  --accent:#FFC53D;
  --ink-900:#10121A;
  --ink-700:#2A2E3A;
  --ink-500:#5A6072;
  --ink-300:#9AA0B0;
  --line:#E7E9F0;
  --bg:#F6F7F9;
  --surface:#FFFFFF;
  --grad:linear-gradient(120deg,#FF5A2B 0%,#FF8A3D 48%,#FFC53D 100%);
  --grad-soft:linear-gradient(120deg,rgba(255,90,43,.12) 0%,rgba(255,197,61,.12) 100%);
  --shadow-1:0 2px 8px rgba(16,18,26,.06);
  --shadow-2:0 12px 32px rgba(16,18,26,.10);
  --shadow-3:0 20px 48px rgba(16,18,26,.14);
  --radius-card:20px;
  --radius-lg:28px;
  --radius-btn:14px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --bs-primary:#FF5A2B;
  --bs-primary-rgb:255,90,43;
  --bs-body-font-family:-apple-system,"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",sans-serif;
  --bs-body-color:#2A2E3A;
  --bs-body-bg:#FFFFFF;
  --bs-border-color:#E7E9F0;
  --bs-border-radius:14px;
  --bs-border-radius-lg:20px;
  --bs-link-color:#FF5A2B;
  --bs-link-hover-color:#E04716;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--bs-body-font-family);
  font-size:16px;
  line-height:1.75;
  color:var(--ink-700);
  background:var(--surface);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand-1);text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:#E04716}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink-900);letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
input{font-family:inherit}
:focus-visible{outline:3px solid rgba(255,90,43,.35);outline-offset:1px}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:32px;padding-right:32px}
@media (min-width:1440px){.container{max-width:1280px}}
@media (max-width:991px){.container{padding-left:24px;padding-right:24px}}
@media (max-width:575px){.container{padding-left:16px;padding-right:16px}}

/* ---------- Bootstrap 外观覆盖 ---------- */
.btn{
  border-radius:var(--radius-btn);
  font-weight:700;
  font-size:14px;
  padding:11px 22px;
  border:1px solid transparent;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.btn:focus-visible{box-shadow:0 0 0 3px rgba(255,90,43,.35)}
.btn-primary{background:var(--grad);border-color:transparent;color:#fff}
.btn-primary:hover{background:var(--grad);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(1px);filter:saturate(.88)}
.card{border-radius:var(--radius-card);border:1px solid var(--line);box-shadow:var(--shadow-1)}
.navbar{border-radius:0;background:transparent}
.form-control{border-radius:12px;border-color:var(--line);height:48px;font-size:15px;color:var(--ink-700)}
.form-control:focus{border-color:var(--brand-1);box-shadow:0 0 0 4px rgba(255,90,43,.14)}
.accordion-item{border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden}
.accordion-button{font-weight:700;color:var(--ink-900);background:#fff}
.accordion-button:not(.collapsed){color:var(--brand-1);background:var(--grad-soft);box-shadow:none}
.badge{border-radius:999px;font-weight:600;font-size:12px}
.breadcrumb{background:transparent;font-size:14px;margin:0;padding:0}
.breadcrumb a{color:var(--ink-500)}
.breadcrumb a:hover{color:var(--brand-1)}
.pagination .page-link{border-radius:999px;margin:0 4px;border:1px solid var(--line);color:var(--ink-500);font-weight:600}
.pagination .page-link:hover{color:var(--brand-1);border-color:rgba(255,90,43,.35)}

/* ---------- 顶部命令栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{height:68px;display:flex;align-items:center;gap:20px}
.brand{display:flex;align-items:center;gap:10px;flex:none;text-decoration:none}
.brand-mark{
  position:relative;width:32px;height:32px;border-radius:50%;
  background:var(--grad);
  box-shadow:0 6px 16px rgba(255,90,43,.28);
  flex:none;
}
.brand-mark::after{
  content:"";position:absolute;inset:8px;border-radius:50%;background:#fff;
}
.brand-mark::before{
  content:"";position:absolute;top:-3px;right:-3px;width:12px;height:12px;border-radius:50%;background:#fff;
}
.brand-text{font-size:18px;font-weight:800;color:var(--ink-900);letter-spacing:-.01em;white-space:nowrap}
.nav-main{display:flex;align-items:center;gap:2px;margin-left:6px}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  height:68px;padding:0 14px;
  font-size:14px;font-weight:600;color:var(--ink-500);
  text-decoration:none;
  transition:color .18s var(--ease),background .18s var(--ease);
  white-space:nowrap;
}
.nav-link:hover{color:var(--ink-900);background:rgba(246,247,249,.9)}
.nav-link.active{color:var(--ink-900)}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;border-radius:2px;
  background:var(--grad);
}
.header-tools{margin-left:auto;display:flex;align-items:center;gap:10px}
.command-search{
  display:flex;align-items:center;gap:8px;
  width:240px;height:40px;padding:0 12px;
  border:1px solid var(--line);border-radius:12px;background:#fff;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.command-search i{color:var(--ink-300);font-size:13px}
.command-search input{
  border:0;outline:0;background:transparent;
  font-size:14px;color:var(--ink-700);width:100%;min-width:0;
}
.command-search input::placeholder{color:var(--ink-300)}
.command-search:focus-within{border-color:var(--brand-1);box-shadow:0 0 0 4px rgba(255,90,43,.14)}
.kbd{
  font-size:11px;font-weight:600;color:var(--ink-500);
  background:var(--bg);border:1px solid var(--line);border-radius:6px;
  padding:2px 6px;white-space:nowrap;
}
.icon-btn{
  width:40px;height:40px;display:grid;place-items:center;
  border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--ink-500);
  transition:color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.icon-btn:hover{color:var(--brand-1);border-color:rgba(255,90,43,.35);transform:translateY(-1px);box-shadow:var(--shadow-1)}
.icon-btn:active{transform:translateY(1px)}
.btn-brand{
  display:inline-flex;align-items:center;gap:8px;
  height:40px;padding:0 20px;border:0;border-radius:var(--radius-btn);
  background:var(--grad);background-size:180% 180%;
  color:#fff;font-size:14px;font-weight:700;
  box-shadow:0 8px 20px rgba(255,90,43,.24);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background-position .2s var(--ease);
}
.btn-brand:hover{color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);background-position:100% 50%}
.btn-brand:active{transform:translateY(1px);filter:saturate(.88)}
.nav-toggle{
  display:none;width:40px;height:40px;place-items:center;
  border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--ink-900);
}
@media (max-width:991px){
  .nav-main,.command-search,.kbd{display:none}
  .header-tools .btn-brand{display:none}
  .nav-toggle{display:grid}
  .header-inner{gap:12px}
  .brand-text{font-size:16px}
}
/* 移动端抽屉 */
.nav-drawer{
  position:fixed;inset:0;z-index:1200;
  background:#fff;
  transform:translateY(-100%);
  transition:transform .24s var(--ease);
  display:flex;flex-direction:column;
  padding:16px 20px 24px;
  overflow-y:auto;
}
.nav-drawer.open{transform:translateY(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;height:56px}
.drawer-search{
  display:flex;align-items:center;gap:10px;height:48px;padding:0 14px;margin:8px 0 18px;
  border:1px solid var(--line);border-radius:12px;background:var(--bg);
}
.drawer-search i{color:var(--ink-300)}
.drawer-search input{border:0;outline:0;background:transparent;width:100%;font-size:15px}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  height:56px;font-size:16px;font-weight:600;color:var(--ink-700);
  border-bottom:1px solid var(--line);
}
.drawer-nav a.active{color:var(--brand-1)}
.drawer-cta{margin-top:auto;display:flex;align-items:center;justify-content:center;height:48px;border-radius:var(--radius-btn);background:var(--grad);color:#fff;font-weight:700;font-size:15px}
.drawer-cta:hover{color:#fff}

/* ---------- 主体 ---------- */
.page-main{padding-top:72px}
@media (max-width:991px){.page-main{padding-top:40px}}
.section{padding:72px 0}
@media (max-width:991px){.section{padding:56px 0}}
@media (max-width:575px){.section{padding:40px 0}}

.crumb-bar{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-500);margin-bottom:20px;flex-wrap:wrap}
.crumb-bar a{color:var(--ink-500)}
.crumb-bar a:hover{color:var(--brand-1)}
.crumb-bar .sep{color:var(--ink-300)}
.crumb-bar .current{color:var(--ink-900);font-weight:600}

/* 小 KV */
.cat-hero{
  position:relative;overflow:hidden;
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:34px 40px;
  display:grid;grid-template-columns:1.4fr 1fr;gap:36px;align-items:center;
  box-shadow:var(--shadow-1);
}
.cat-hero::after{
  content:"";position:absolute;right:-70px;bottom:-90px;width:260px;height:260px;border-radius:50%;
  border:26px solid rgba(255,90,43,.08);pointer-events:none;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:999px;
  background:rgba(255,90,43,.10);
  border:1px solid rgba(255,90,43,.22);
  color:var(--brand-1);font-size:13px;font-weight:700;
  margin-bottom:16px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--brand-1)}
.cat-hero h1{
  font-size:clamp(28px,3.8vw,42px);
  font-weight:900;
  line-height:1.2;
  letter-spacing:-.02em;
  margin-bottom:14px;
}
.hero-sub{font-size:17px;color:var(--ink-500);line-height:1.75;max-width:36em}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:1}
.stat-badge{
  flex:1 1 120px;
  display:flex;flex-direction:column;gap:2px;
  padding:12px 16px;
  border-radius:16px;
  background:#fff;
  border:1px solid rgba(255,90,43,.22);
  box-shadow:var(--shadow-1);
}
.stat-num{font-size:22px;font-weight:800;color:var(--ink-900);font-variant-numeric:tabular-nums;line-height:1.2}
.stat-label{font-size:12px;font-weight:600;color:var(--ink-500)}
@media (max-width:991px){
  .cat-hero{grid-template-columns:1fr;gap:24px;padding:28px 24px}
}
@media (max-width:575px){
  .cat-hero{padding:24px 18px}
  .hero-stats{gap:10px}
  .stat-badge{flex:1 1 calc(50% - 10px)}
}

/* 过滤条 */
.filter-row{
  display:flex;align-items:center;gap:10px;
  margin-bottom:26px;
  overflow-x:auto;
  padding-bottom:6px;
  scrollbar-width:thin;
}
.filter-row::-webkit-scrollbar{height:6px}
.filter-row::-webkit-scrollbar-thumb{background:var(--line);border-radius:999px}
.chip{
  flex:none;
  display:inline-flex;align-items:center;
  height:38px;padding:0 18px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink-500);
  font-size:14px;font-weight:600;
  cursor:pointer;
  transition:color .18s var(--ease),background .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);
}
.chip:hover{color:var(--brand-1);border-color:rgba(255,90,43,.35);transform:translateY(-1px)}
.chip.is-active{background:var(--grad);border-color:transparent;color:#fff;box-shadow:0 8px 18px rgba(255,90,43,.22)}
.chip:focus-visible{outline:3px solid rgba(255,90,43,.35);outline-offset:2px}

/* 紧凑卡栅格 */
.grid-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px;flex-wrap:wrap}
.grid-head h2{font-size:clamp(24px,3.2vw,34px);font-weight:800;line-height:1.3}
.grid-head p{font-size:16px;color:var(--ink-500);margin-top:8px}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--brand-1);
}
.text-link:hover{gap:10px}

.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
@media (max-width:1199px){.cat-grid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:991px){.cat-grid{grid-template-columns:repeat(2,1fr);gap:20px}}
@media (max-width:575px){.cat-grid{grid-template-columns:1fr;gap:16px}}

.cat-card{
  display:flex;flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.cat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-3);border-color:rgba(255,90,43,.3)}
.card-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg)}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .22s var(--ease)}
.cat-card:hover .card-thumb img{transform:scale(1.03)}
.thumb-num{
  position:absolute;top:10px;left:10px;
  width:28px;height:28px;border-radius:10px;
  display:grid;place-items:center;
  background:var(--grad);color:#fff;
  font-size:13px;font-weight:800;
  font-variant-numeric:tabular-nums;
}
.card-body{padding:16px 16px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.card-title{font-size:17px;font-weight:700;line-height:1.4}
.card-title a{color:var(--ink-900)}
.card-title a:hover{color:var(--brand-1)}
.card-desc{
  font-size:13px;line-height:1.7;color:var(--ink-500);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{
  margin-top:auto;padding-top:10px;
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  font-size:12px;font-weight:600;color:var(--ink-500);
  font-variant-numeric:tabular-nums;
}
.card-meta i{margin-right:5px;color:var(--ink-300)}
.card-arrow{
  width:30px;height:30px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--bg);color:var(--ink-500);
  transition:background .18s var(--ease),color .18s var(--ease),transform .18s var(--ease);
}
.cat-card:hover .card-arrow{background:var(--grad);color:#fff;transform:translateX(2px)}

/* 阅读提示 */
.tips-row{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media (max-width:991px){.tips-row{grid-template-columns:1fr 1fr}}
@media (max-width:575px){.tips-row{grid-template-columns:1fr}}
.tip-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px;box-shadow:var(--shadow-1);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.tip-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(15,194,168,.35)}
.tip-ico{
  width:40px;height:40px;border-radius:12px;
  display:grid;place-items:center;
  background:rgba(15,194,168,.12);color:#0B9C88;
  font-size:16px;margin-bottom:14px;
}
.tip-card h3{font-size:18px;font-weight:700;margin-bottom:8px}
.tip-card p{font-size:14px;color:var(--ink-500);line-height:1.75}

/* 分页 */
.pager{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:36px;flex-wrap:wrap}
.pager-link{
  min-width:42px;height:42px;padding:0 14px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:999px;border:1px solid var(--line);background:#fff;
  font-size:14px;font-weight:700;color:var(--ink-500);
  font-variant-numeric:tabular-nums;
  transition:color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.pager-link:hover{color:var(--brand-1);border-color:rgba(255,90,43,.35);transform:translateY(-1px);box-shadow:var(--shadow-1)}
.pager-link.is-active{background:var(--grad);border-color:transparent;color:#fff;box-shadow:0 8px 18px rgba(255,90,43,.22)}
.pager-link.is-disabled{color:var(--ink-300);pointer-events:none;background:var(--bg)}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:920px;margin:0 auto}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.faq-item.is-open{border-color:rgba(255,90,43,.3);box-shadow:var(--shadow-2)}
.faq-q{
  width:100%;min-height:56px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 22px;
  background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:700;color:var(--ink-900);
  transition:color .18s var(--ease);
}
.faq-q:hover{color:var(--brand-1)}
.faq-q .plus{
  flex:none;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--bg);color:var(--ink-500);font-size:14px;
  transition:transform .2s var(--ease),background .18s var(--ease),color .18s var(--ease);
}
.faq-item.is-open .faq-q .plus{transform:rotate(45deg);background:var(--grad);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease)}
.faq-item.is-open .faq-a{max-height:340px}
.faq-a-inner{
  padding:0 22px 20px 22px;
  border-left:3px solid transparent;
  margin-left:22px;padding-left:16px;
  background:linear-gradient(90deg,rgba(255,90,43,.14),rgba(255,90,43,.14)) left top/3px 100% no-repeat;
  font-size:15px;color:var(--ink-500);line-height:1.8;
}

/* CTA 通栏 */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--ink-900);
  border-radius:var(--radius-lg);
  padding:56px 40px;
  text-align:center;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(420px 260px at 18% 0%,rgba(122,92,255,.24),transparent 70%),
    radial-gradient(420px 260px at 82% 100%,rgba(15,194,168,.20),transparent 70%);
  pointer-events:none;
}
.cta-band h2{
  position:relative;color:#fff;
  font-size:clamp(24px,3.2vw,34px);font-weight:800;line-height:1.3;
}
.cta-band p{position:relative;color:rgba(255,255,255,.72);font-size:16px;margin-top:12px}
.subscribe-form{
  position:relative;
  margin:28px auto 0;
  max-width:560px;
  display:flex;gap:12px;align-items:flex-end;
  text-align:left;
}
.form-field{flex:1;min-width:0;display:flex;flex-direction:column;gap:6px}
.form-label{font-size:12px;font-weight:600;color:rgba(255,255,255,.78)}
.form-input{
  height:48px;width:100%;padding:0 14px;
  border-radius:12px;border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.96);color:var(--ink-700);font-size:15px;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.form-input::placeholder{color:var(--ink-300)}
.form-input:focus{outline:0;border-color:var(--brand-1);box-shadow:0 0 0 4px rgba(255,90,43,.22)}
.form-input.is-invalid{border-color:#E5484D}
.form-msg{font-size:13px;color:rgba(255,255,255,.6);min-height:18px}
.form-msg.error{color:#FF9A9D}
.btn-submit{
  flex:none;height:48px;padding:0 26px;border:0;border-radius:var(--radius-btn);
  background:var(--grad);background-size:180% 180%;
  color:#fff;font-size:15px;font-weight:700;
  box-shadow:0 10px 24px rgba(255,90,43,.28);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background-position .2s var(--ease);
}
.btn-submit:hover{transform:translateY(-1px);box-shadow:var(--shadow-3);background-position:100% 50%}
.btn-submit:active{transform:translateY(1px);filter:saturate(.88)}
@media (max-width:575px){
  .cta-band{padding:40px 20px}
  .subscribe-form{flex-direction:column;align-items:stretch}
  .btn-submit{width:100%}
}

/* 页脚 */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);margin-top:80px;padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding-bottom:48px}
.site-footer h4{font-size:14px;font-weight:700;color:rgba(255,255,255,.9);margin-bottom:16px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.site-footer .brand-mark::after,.site-footer .brand-mark::before{background:var(--ink-900)}
.site-footer .brand-text{color:#fff;font-size:17px;font-weight:800}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:34em}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{
  font-size:14px;color:rgba(255,255,255,.62);
  transition:color .18s var(--ease),transform .18s var(--ease);
}
.footer-links a:hover{color:var(--accent);transform:translateX(2px)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);
  padding:20px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}
@media (max-width:991px){.footer-grid{grid-template-columns:1fr 1fr;gap:28px}}
@media (max-width:575px){
  .footer-grid{grid-template-columns:1fr}
  .site-footer{padding-top:48px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important}
  .cat-card:hover,.tip-card:hover,.btn-brand:hover,.btn-submit:hover,.chip:hover,.pager-link:hover,.icon-btn:hover{transform:none!important}
}

/* roulang page: category2 */
:root{
  --brand-1:#FF5A2B;
  --brand-2:#0FC2A8;
  --brand-3:#7A5CFF;
  --accent:#FFC53D;
  --ink-900:#10121A;
  --ink-700:#2A2E3A;
  --ink-500:#5A6072;
  --ink-300:#9AA0B0;
  --line:#E7E9F0;
  --bg:#F6F7F9;
  --surface:#FFFFFF;
  --grad:linear-gradient(120deg,#FF5A2B 0%,#FF8A3D 48%,#FFC53D 100%);
  --shadow-1:0 2px 8px rgba(16,18,26,.06);
  --shadow-2:0 12px 32px rgba(16,18,26,.10);
  --shadow-3:0 20px 48px rgba(16,18,26,.14);
  --r-card:20px;
  --r-lg:28px;
  --r-btn:14px;
  --r-input:12px;
  --ease:cubic-bezier(.22,.61,.36,1);

  --bs-primary:#FF5A2B;
  --bs-body-font-family:-apple-system,"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",sans-serif;
  --bs-body-color:#2A2E3A;
  --bs-body-bg:#FFFFFF;
  --bs-border-radius:14px;
  --bs-border-color:#E7E9F0;
  --bs-link-color:#FF5A2B;
  --bs-link-hover-color:#E0491D;
  --bs-font-sans-serif:-apple-system,"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink-700);
  background:#fff;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease)}
button,input{font-family:inherit;font-size:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding-left:1.4em}
:focus-visible{outline:3px solid rgba(255,90,43,.35);outline-offset:2px;border-radius:6px}

.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
@media (min-width:1440px){.container-x{max-width:1280px}}
@media (max-width:991.98px){.container-x{padding:0 24px}}
@media (max-width:575.98px){.container-x{padding:0 16px}}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-shell{display:flex;align-items:center;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:30px;height:30px;border-radius:10px;background:var(--grad);
  position:relative;display:inline-block;flex:0 0 auto;
  box-shadow:0 4px 12px rgba(255,90,43,.28);
}
.brand-mark::after{
  content:"";position:absolute;inset:8px;border:2.5px solid #fff;border-radius:50%;
  border-right-color:transparent;transform:rotate(-35deg);
}
.brand-text{
  font-size:18px;font-weight:800;color:var(--ink-900);letter-spacing:-.01em;white-space:nowrap;
}
.nav-main{display:flex;align-items:center;gap:4px;margin-left:6px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:36px;
  padding:0 12px;border-radius:10px;font-size:14px;font-weight:600;color:var(--ink-500);
  white-space:nowrap;transition:color .18s var(--ease),background-color .18s var(--ease);
}
.nav-link:hover{color:var(--ink-900);background:rgba(16,18,26,.04)}
.nav-link.active{color:var(--ink-900)}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:-1px;height:2px;border-radius:2px;background:var(--grad);
}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.cmd-search{
  position:relative;display:flex;align-items:center;gap:8px;
  width:230px;height:40px;padding:0 12px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-input);
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.cmd-search:focus-within{border-color:var(--brand-1);box-shadow:0 0 0 4px rgba(255,90,43,.14)}
.cmd-search svg{flex:0 0 auto;color:var(--ink-300)}
.cmd-search input{
  flex:1 1 auto;min-width:0;border:0;outline:none;background:transparent;
  font-size:14px;color:var(--ink-700);
}
.cmd-search input::placeholder{color:var(--ink-300)}
.kbd{
  flex:0 0 auto;font-size:11px;font-weight:700;color:var(--ink-500);
  background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:1px 6px;
  font-variant-numeric:tabular-nums;
}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;
  color:var(--ink-500);
  transition:color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);
}
.icon-btn:hover{color:var(--brand-1);border-color:rgba(255,90,43,.4);transform:translateY(-1px)}

.btn{
  --bs-btn-focus-box-shadow:none;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:700;line-height:1;
  background-size:180% 100%;background-position:0% 50%;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background-position .3s var(--ease),background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),filter .18s var(--ease);
}
.btn-brand{background-image:var(--grad);color:#fff;box-shadow:0 6px 18px rgba(255,90,43,.24)}
.btn-brand:hover{transform:translateY(-1px);background-position:100% 50%;color:#fff;box-shadow:0 10px 26px rgba(255,90,43,.30)}
.btn-brand:active{transform:translateY(1px);filter:saturate(.85)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink-700)}
.btn-ghost:hover{border-color:rgba(255,90,43,.42);color:var(--brand-1);background:rgba(255,90,43,.05)}
.btn-ghost:active{transform:translateY(1px)}
.btn-outline-lightx{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.22);color:#fff}
.btn-outline-lightx:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.4);color:#fff;transform:translateY(-1px)}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:12px}
.btn-block{width:100%}

.burger{
  display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px;padding:0;
}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-700)}
@media (max-width:1199.98px){
  .cmd-search{width:180px}
  .nav-link{padding:0 10px}
}
@media (max-width:991.98px){
  .nav-main,.cmd-search,.icon-btn{display:none}
  .nav-right .btn{display:none}
  .burger{display:inline-flex}
}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:2000;background:#fff;
  transform:translateX(100%);transition:transform .26s var(--ease);
  display:flex;flex-direction:column;padding:20px 20px 28px;overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.drawer-title{font-size:16px;font-weight:800;color:var(--ink-900)}
.drawer-close{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;
  font-size:20px;line-height:1;color:var(--ink-500);
}
.drawer-search{margin-bottom:18px}
.drawer-search input{
  width:100%;height:48px;padding:0 14px;border-radius:var(--r-input);
  border:1px solid var(--line);outline:none;font-size:15px;color:var(--ink-700);
}
.drawer-search input:focus{border-color:var(--brand-1);box-shadow:0 0 0 4px rgba(255,90,43,.14)}
.drawer-nav{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.drawer-nav a{
  display:flex;align-items:center;height:56px;border-bottom:1px solid var(--line);
  font-size:16px;font-weight:600;color:var(--ink-700);
}
.drawer-nav a.active{color:var(--brand-1)}
.drawer-cta{margin-top:auto;padding-top:24px}

/* ============ 分类页 2 · 窄条 KV ============ */
.cat-kv{
  position:relative;overflow:hidden;color:#fff;
  background-color:var(--ink-900);
  background-image:linear-gradient(100deg,rgba(16,18,26,.95) 0%,rgba(16,18,26,.80) 52%,rgba(16,18,26,.90) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  padding:46px 0;min-height:214px;
}
.cat-kv::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(520px 240px at 88% 8%,rgba(122,92,255,.22),transparent 70%),
    radial-gradient(460px 220px at 8% 100%,rgba(15,194,168,.20),transparent 72%);
}
.cat-kv .container-x{position:relative;z-index:1}
.kv2-grid{display:flex;align-items:center;justify-content:space-between;gap:48px}
.kv2-left{min-width:0;flex:1 1 auto}
.cat-kv h1{
  font-size:clamp(26px,3.4vw,40px);font-weight:900;line-height:1.22;letter-spacing:-.02em;
  color:#fff;margin:0;
}
.cat-kv p{
  flex:0 0 auto;max-width:400px;margin:0;font-size:16px;line-height:1.75;
  color:rgba(255,255,255,.74);
}
@media (max-width:767.98px){
  .cat-kv{padding:32px 0;min-height:0}
  .kv2-grid{flex-direction:column;align-items:flex-start;gap:16px}
  .cat-kv p{max-width:none;font-size:15px}
}

/* 面包屑 */
.crumb-bar{padding:16px 0;border-bottom:1px solid var(--line);background:#fff}
.crumb{font-size:14px;color:var(--ink-500);display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumb a:hover{color:var(--brand-1)}
.crumb .sep{color:var(--ink-300)}
.crumb .cur{color:var(--ink-700);font-weight:600}

/* ============ 板块通用 ============ */
.section{padding:80px 0}
.section-alt{background:var(--bg)}
@media (max-width:991.98px){.section{padding:56px 0}}
@media (max-width:575.98px){.section{padding:40px 0}}

.sec-head{margin-bottom:34px}
.sec-head h2{
  font-size:clamp(24px,3.2vw,34px);font-weight:800;line-height:1.3;color:var(--ink-900);
  letter-spacing:-.015em;
}
.sec-head .lead-line{margin-top:12px;font-size:17px;color:var(--ink-500);line-height:1.75;max-width:760px}

.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:700;letter-spacing:.02em;
  background:rgba(15,194,168,.10);color:#0A8C79;border:1px solid rgba(15,194,168,.24);
}
.badge-soft.orange{background:rgba(255,90,43,.10);color:#D8410F;border-color:rgba(255,90,43,.24)}
.badge-soft.amber{background:rgba(255,197,61,.16);color:#9A6A00;border-color:rgba(255,197,61,.36)}

/* ============ 图文交替大卡 ============ */
.zigzag{display:flex;flex-direction:column;gap:32px}
.zg-card{
  display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--shadow-1);
  transition:box-shadow .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.zg-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-3);border-color:rgba(255,90,43,.30)}
.zg-card.rev .zg-media{order:2}
.zg-media{
  position:relative;overflow:hidden;border-radius:var(--r-card);
  aspect-ratio:16/10;background:var(--bg);
}
.zg-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.zg-card:hover .zg-media img{transform:scale(1.03)}
.zg-body{min-width:0}
.zg-body h3{font-size:20px;font-weight:700;color:var(--ink-900);margin:14px 0 10px;line-height:1.4}
.zg-body p{font-size:15px;color:var(--ink-500);line-height:1.8;margin-bottom:18px}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--brand-1);
  min-height:44px;
}
.text-link .arrow{transition:transform .18s var(--ease)}
.text-link:hover .arrow{transform:translateX(4px)}
.text-link:active{filter:saturate(.8)}
@media (max-width:991.98px){
  .zg-card{grid-template-columns:1fr;gap:20px;padding:20px}
  .zg-card.rev .zg-media{order:0}
}

/* ============ 数据条 ============ */
.databar{
  background:var(--ink-900);border-radius:var(--r-lg);padding:34px 32px;
  position:relative;overflow:hidden;
}
.databar::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(420px 200px at 86% 0%,rgba(122,92,255,.20),transparent 72%);
}
.databar-grid{position:relative;z-index:1;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.stat{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-card);padding:22px 24px;
}
.stat .num{
  font-size:clamp(24px,2.6vw,30px);font-weight:800;color:#fff;line-height:1.2;
  font-variant-numeric:tabular-nums;letter-spacing:-.01em;
}
.stat .num em{font-style:normal;font-size:15px;font-weight:700;color:rgba(255,255,255,.6);margin-left:4px}
.stat .lbl{margin-top:8px;font-size:13px;font-weight:600;color:rgba(255,255,255,.62)}
.stat.on{border-color:rgba(255,90,43,.44);background:rgba(255,90,43,.10)}
@media (max-width:767.98px){
  .databar{padding:24px 20px}
  .databar-grid{grid-template-columns:1fr;gap:14px}
}

/* ============ 时段一览 ============ */
.slot-list{display:flex;flex-direction:column;gap:14px}
.slot-row{
  display:grid;grid-template-columns:200px 1fr auto;gap:20px;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px 24px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.slot-row:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(255,90,43,.30)}
.slot-time{
  font-size:14px;font-weight:700;color:var(--ink-900);
  font-variant-numeric:tabular-nums;display:flex;align-items:center;gap:8px;
}
.slot-time::before{
  content:"";width:8px;height:8px;border-radius:50%;background:var(--grad);flex:0 0 auto;
}
.slot-main h3{font-size:17px;font-weight:700;color:var(--ink-900);margin-bottom:4px}
.slot-main p{font-size:14px;color:var(--ink-500);line-height:1.7}
.tag-state{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:700;white-space:nowrap;
}
.tag-live{background:rgba(15,194,168,.12);color:#0A8C79;border:1px solid rgba(15,194,168,.28)}
.tag-live .dot{width:6px;height:6px;border-radius:50%;background:#0FC2A8;animation:pulse 1.8s infinite}
.tag-soon{background:rgba(154,160,176,.14);color:var(--ink-500);border:1px solid var(--line)}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(15,194,168,.5)}70%{box-shadow:0 0 0 7px rgba(15,194,168,0)}100%{box-shadow:0 0 0 0 rgba(15,194,168,0)}}
@media (max-width:767.98px){
  .slot-row{grid-template-columns:1fr;gap:10px;padding:18px}
}

/* ============ FAQ ============ */
.faq-acc{display:flex;flex-direction:column;gap:14px}
.faq-acc .accordion-item{
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:#fff;
  box-shadow:var(--shadow-1);
  transition:box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.faq-acc .accordion-item:hover{box-shadow:var(--shadow-2)}
.faq-acc .accordion-button{
  width:100%;min-height:56px;padding:14px 22px;
  display:flex;align-items:center;gap:16px;
  background:#fff;border:0;box-shadow:none;
  font-size:16px;font-weight:700;color:var(--ink-900);text-align:left;
}
.faq-acc .accordion-button:not(.collapsed){color:var(--ink-900)}
.faq-acc .accordion-button:focus{box-shadow:0 0 0 4px rgba(255,90,43,.16);border-radius:var(--r-card);outline:none}
.faq-acc .accordion-button::after{display:none}
.faq-q{flex:1 1 auto}
.faq-icon{
  position:relative;width:22px;height:22px;flex:0 0 auto;color:var(--ink-500);
  transition:transform .22s var(--ease),color .22s var(--ease);
}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:currentColor;border-radius:2px}
.faq-icon::before{left:50%;top:4px;width:2px;height:14px;transform:translateX(-50%)}
.faq-icon::after{top:50%;left:4px;height:2px;width:14px;transform:translateY(-50%)}
.faq-acc .accordion-button:not(.collapsed) .faq-icon{transform:rotate(45deg);color:var(--brand-1)}
.faq-acc .accordion-body{
  position:relative;padding:4px 22px 22px 22px;font-size:15px;line-height:1.85;color:var(--ink-500);
}
.faq-acc .accordion-body::before{
  content:"";position:absolute;left:12px;top:4px;bottom:22px;width:3px;border-radius:3px;background:var(--grad);
}
.faq-acc .accordion-body p{padding-left:14px}

/* ============ CTA 通栏 ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background-color:var(--ink-900);
  background-image:linear-gradient(120deg,#FF5A2B 0%,#E8491E 42%,#10121A 100%);
  padding:64px 32px;text-align:center;color:#fff;
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(420px 200px at 14% 0%,rgba(255,197,61,.24),transparent 70%),
    radial-gradient(420px 220px at 88% 100%,rgba(122,92,255,.22),transparent 72%);
}
.cta-band .inner{position:relative;z-index:1;max-width:640px;margin:0 auto}
.cta-band h2{font-size:clamp(24px,3vw,32px);font-weight:800;line-height:1.3;letter-spacing:-.015em}
.cta-band p{margin:14px 0 26px;font-size:16px;color:rgba(255,255,255,.78);line-height:1.75}
@media (max-width:575.98px){.cta-band{padding:44px 20px}}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.62);padding:64px 0 0;margin-top:80px}
.site-footer .container{max-width:1200px;padding:0 32px;margin:0 auto;width:100%}
@media (min-width:1440px){.site-footer .container{max-width:1280px}}
@media (max-width:991.98px){.site-footer .container{padding:0 24px}}
@media (max-width:575.98px){.site-footer .container{padding:0 16px}}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{box-shadow:none}
.footer-brand .brand-text{color:#fff;font-size:17px}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:340px}
.site-footer h4{font-size:14px;font-weight:700;color:rgba(255,255,255,.9);margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.62);transition:color .18s var(--ease),transform .18s var(--ease)}
.footer-links a:hover{color:#FFC53D;transform:translateX(2px)}
.footer-bottom{
  margin-top:48px;padding:22px 0;border-top:1px solid rgba(255,255,255,.10);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}
@media (max-width:991.98px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:575.98px){
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .site-footer{padding-top:44px;margin-top:56px}
}

/* Bootstrap 默认外观覆盖 */
.card{--bs-card-border-radius:var(--r-card);--bs-card-border-color:var(--line);--bs-card-box-shadow:var(--shadow-1)}
.navbar{--bs-navbar-padding-y:0;--bs-navbar-brand-font-size:18px}
.form-control{
  --bs-body-bg:#fff;
  height:48px;border-radius:var(--r-input);border:1px solid var(--line);
  font-size:15px;color:var(--ink-700);
}
.form-control:focus{border-color:var(--brand-1);box-shadow:0 0 0 4px rgba(255,90,43,.14)}
.form-label{font-size:12px;font-weight:600;color:var(--ink-500)}
.badge{--bs-badge-border-radius:999px;--bs-badge-font-weight:700;font-size:12px}
.breadcrumb{--bs-breadcrumb-divider-color:var(--ink-300);--bs-breadcrumb-item-active-color:var(--ink-700);font-size:14px}
.pagination{--bs-pagination-color:var(--ink-700);--bs-pagination-active-bg:var(--brand-1);--bs-pagination-active-border-color:var(--brand-1);--bs-pagination-border-radius:999px}
.accordion{--bs-accordion-border-width:0;--bs-accordion-btn-focus-box-shadow:none}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .zg-card:hover,.slot-row:hover,.btn-brand:hover{transform:none}
  .zg-card:hover .zg-media img{transform:none}
}

/* roulang page: category3 */
:root{
  --brand-1:#FF5A2B;
  --brand-2:#0FC2A8;
  --brand-3:#7A5CFF;
  --accent:#FFC53D;
  --ink-900:#10121A;
  --ink-700:#2A2E3A;
  --ink-500:#5A6072;
  --ink-300:#9AA0B0;
  --line:#E7E9F0;
  --bg:#F6F7F9;
  --surface:#FFFFFF;
  --grad-brand:linear-gradient(120deg,#FF5A2B 0%,#FF8A3D 48%,#FFC53D 100%);
  --r-card:20px;
  --r-lg:28px;
  --r-btn:14px;
  --r-input:12px;
  --r-pill:999px;
  --shadow-1:0 2px 8px rgba(16,18,26,.06);
  --shadow-2:0 12px 32px rgba(16,18,26,.10);
  --shadow-3:0 20px 48px rgba(16,18,26,.14);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-cn:-apple-system,"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",sans-serif;

  --bs-primary:#FF5A2B;
  --bs-body-font-family:var(--font-cn);
  --bs-body-color:#2A2E3A;
  --bs-body-bg:#FFFFFF;
  --bs-border-radius:14px;
  --bs-border-color:#E7E9F0;
  --bs-link-color:#FF5A2B;
  --bs-link-hover-color:#E24A1F;
  --bs-font-sans-serif:var(--font-cn);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--ink-700);
  background:var(--surface);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--brand-1);text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink-900);letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(255,90,43,.35);outline-offset:2px;border-radius:8px}

/* 容器 */
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}
@media (min-width:1440px){.container{max-width:1280px}}

/* 顶部导航 */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:22px;
  height:68px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  text-decoration:none;
}
.brand-mark{
  position:relative;
  width:30px;
  height:30px;
  border-radius:9px;
  background:linear-gradient(120deg,#FF5A2B 0%,#FF8A3D 55%,#FFC53D 100%);
  display:inline-block;
  flex:0 0 auto;
  box-shadow:0 4px 12px rgba(255,90,43,.30);
}
.brand-mark::before{
  content:"";
  position:absolute;
  left:50%;
  top:43%;
  transform:translate(-50%,-50%);
  width:13px;
  height:13px;
  border:2.5px solid #fff;
  border-radius:50%;
}
.brand-mark::after{
  content:"";
  position:absolute;
  left:16px;
  top:12px;
  width:2.5px;
  height:10px;
  background:#fff;
  border-radius:2px;
  transform:rotate(16deg);
  transform-origin:top center;
}
.brand-text{
  font-size:18px;
  font-weight:800;
  color:var(--ink-900);
  letter-spacing:-.01em;
  white-space:nowrap;
}
.nav-main{
  display:flex;
  align-items:center;
  gap:2px;
  margin-left:6px;
}
.nav-main .nav-link{
  position:relative;
  display:inline-block;
  padding:10px 14px;
  font-size:14px;
  font-weight:600;
  color:var(--ink-500);
  border-radius:10px;
  transition:color .18s var(--ease),background .18s var(--ease);
  white-space:nowrap;
}
.nav-main .nav-link:hover{color:var(--ink-900);background:rgba(16,18,26,.04)}
.nav-main .nav-link.active{color:var(--ink-900)}
.nav-main .nav-link.active::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:3px;
  height:2px;
  border-radius:2px;
  background:var(--grad-brand);
}
.header-actions{
  display:flex;
  align-items:center;
  gap:10px;
  margin-left:auto;
}
.command-search{
  display:flex;
  align-items:center;
  gap:8px;
  height:40px;
  width:250px;
  padding:0 12px;
  border:1px solid var(--line);
  border-radius:var(--r-input);
  background:#fff;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.command-search:focus-within{
  border-color:var(--brand-1);
  box-shadow:0 0 0 4px rgba(255,90,43,.12);
}
.command-search i{font-size:13px;color:var(--ink-300)}
.command-search input{
  flex:1 1 auto;
  min-width:0;
  border:0;
  outline:0;
  background:transparent;
  font-family:inherit;
  font-size:13px;
  color:var(--ink-700);
}
.command-search input::placeholder{color:var(--ink-300)}
.command-search .kbd{
  flex:0 0 auto;
  font-size:11px;
  font-weight:700;
  color:var(--ink-300);
  border:1px solid var(--line);
  border-radius:6px;
  padding:1px 6px;
  line-height:1.5;
  font-variant-numeric:tabular-nums;
}
.icon-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:40px;
  height:40px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink-500);
  font-size:15px;
  cursor:pointer;
  transition:color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease),background .18s var(--ease);
}
.icon-btn:hover{color:var(--brand-1);border-color:rgba(255,90,43,.35);transform:translateY(-1px)}
.icon-btn:active{transform:translateY(1px)}
.mobile-search-btn{display:none}
.hamburger{
  display:none;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  gap:5px;
  width:40px;
  height:40px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  cursor:pointer;
}
.hamburger span{
  display:block;
  width:17px;
  height:2px;
  border-radius:2px;
  background:var(--ink-700);
  transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.hamburger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger[aria-expanded="true"] span:nth-child(2){opacity:0}
.hamburger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;
  top:68px;
  left:0;
  right:0;
  bottom:0;
  z-index:1029;
  background:#fff;
  padding:20px 16px 32px;
  overflow-y:auto;
  transform:translateX(100%);
  visibility:hidden;
  transition:transform .24s var(--ease),visibility .24s var(--ease);
}
.mobile-drawer.open{transform:translateX(0);visibility:visible}
.drawer-search{
  display:flex;
  align-items:center;
  gap:8px;
  height:44px;
  padding:0 12px;
  border:1px solid var(--line);
  border-radius:var(--r-input);
  background:var(--bg);
  margin-bottom:16px;
}
.drawer-search i{color:var(--ink-300);font-size:13px}
.drawer-search input{
  flex:1 1 auto;
  min-width:0;
  border:0;
  outline:0;
  background:transparent;
  font-family:inherit;
  font-size:14px;
  color:var(--ink-700);
}
.drawer-nav{display:flex;flex-direction:column}
.drawer-link{
  display:flex;
  align-items:center;
  height:56px;
  font-size:15px;
  font-weight:600;
  color:var(--ink-700);
  border-bottom:1px solid var(--line);
  text-decoration:none;
}
.drawer-link.active{color:var(--brand-1)}
.drawer-cta{margin-top:20px;width:100%;justify-content:center}

/* 按钮 */
.btn-grad,
.btn-ghost,
.btn-outline-brand{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  font-size:15px;
  font-weight:700;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  cursor:pointer;
  text-decoration:none;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
  white-space:nowrap;
}
.btn-grad{
  background:linear-gradient(120deg,#FF5A2B 0%,#FF8A3D 48%,#FFC53D 100%);
  color:#10121A;
  box-shadow:0 8px 20px rgba(255,90,43,.26);
}
.btn-grad:hover{
  transform:translateY(-1px);
  box-shadow:0 12px 26px rgba(255,90,43,.32);
  background:linear-gradient(128deg,#FF5A2B 0%,#FF8A3D 48%,#FFC53D 100%);
  color:#10121A;
}
.btn-grad:active{transform:translateY(1px);filter:saturate(.9)}
.btn-ghost{
  background:#fff;
  color:var(--ink-700);
  border-color:var(--line);
}
.btn-ghost:hover{color:var(--ink-900);border-color:rgba(255,90,43,.4);transform:translateY(-1px);box-shadow:var(--shadow-1)}
.btn-ghost:active{transform:translateY(1px)}
.btn-outline-brand{
  height:44px;
  padding:0 20px;
  font-size:14px;
  background:rgba(255,90,43,.06);
  color:#C8401A;
  border-color:rgba(255,90,43,.3);
}
.btn-outline-brand:hover{background:rgba(255,90,43,.12);transform:translateY(-1px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}

/* 分类页小 KV */
.page-kv{
  position:relative;
  overflow:hidden;
  background:linear-gradient(120deg,#FFF3EC 0%,#F2F0FF 52%,#EAFBF7 100%);
  border-bottom:1px solid var(--line);
}
.page-kv::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(16,18,26,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(16,18,26,.06) 1px,transparent 1px);
  background-size:26px 26px;
  pointer-events:none;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),rgba(0,0,0,0));
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),rgba(0,0,0,0));
}
.kv-inner{
  position:relative;
  z-index:1;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
  padding:46px 0 50px;
}
.kv-copy{max-width:760px}
.crumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:6px;
  font-size:13px;
  color:var(--ink-500);
  margin-bottom:14px;
}
.crumb a{color:var(--ink-500);transition:color .18s var(--ease)}
.crumb a:hover{color:var(--brand-1)}
.crumb .sep{color:var(--ink-300)}
.page-kv h1{
  font-size:clamp(28px,4.2vw,44px);
  font-weight:900;
  line-height:1.18;
  letter-spacing:-.02em;
  margin-bottom:14px;
}
.page-kv .kv-lead{
  font-size:17px;
  line-height:1.75;
  color:var(--ink-500);
  max-width:620px;
}
.kv-deco{
  position:relative;
  flex:0 0 auto;
  width:150px;
  height:150px;
  display:grid;
  place-items:center;
  pointer-events:none;
}
.kv-deco span{
  font-size:150px;
  font-weight:900;
  line-height:1;
  font-family:Georgia,"Times New Roman",serif;
  color:transparent;
  -webkit-text-stroke:3px rgba(255,90,43,.12);
  letter-spacing:-.06em;
  user-select:none;
}

/* 区块 */
.section{padding:76px 0}
.section-head{max-width:760px;margin-bottom:28px}
.section-head h2{
  font-size:clamp(24px,3.2vw,34px);
  font-weight:800;
  line-height:1.3;
  margin-bottom:12px;
}
.section-head p{font-size:17px;line-height:1.75;color:var(--ink-500)}

/* 主体双栏 */
.split{
  display:grid;
  grid-template-columns:minmax(0,8fr) minmax(0,4fr);
  gap:32px;
  align-items:start;
}

/* 时间轴 */
.tl-list{position:relative;padding-left:0}
.tl-list::before{
  content:"";
  position:absolute;
  left:11px;
  top:14px;
  bottom:14px;
  width:2px;
  border-radius:2px;
  background:linear-gradient(180deg,rgba(255,90,43,.5) 0%,rgba(122,92,255,.35) 52%,rgba(15,194,168,.4) 100%);
}
.tl-item{
  position:relative;
  padding:0 0 18px 44px;
}
.tl-item:last-child{padding-bottom:0}
.tl-dot{
  position:absolute;
  left:4px;
  top:22px;
  width:16px;
  height:16px;
  border-radius:50%;
  background:#fff;
  border:2.5px solid var(--line);
  z-index:1;
  transition:border-color .3s var(--ease),background .3s var(--ease),box-shadow .3s var(--ease);
}
.tl-dot.is-lit{
  border-color:transparent;
  background:linear-gradient(120deg,#FF5A2B,#FFC53D);
  box-shadow:0 0 0 5px rgba(255,90,43,.14);
}
.tl-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:20px 22px;
  box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.tl-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-2);
  border-color:rgba(255,90,43,.3);
}
.tl-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:10px}
.tl-step{
  font-size:12px;
  font-weight:800;
  color:#10121A;
  background:linear-gradient(120deg,#FF5A2B,#FF8A3D 48%,#FFC53D);
  border-radius:var(--r-pill);
  padding:3px 11px;
  letter-spacing:.01em;
}
.tl-time{
  font-size:12px;
  font-weight:600;
  color:var(--ink-500);
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  padding:3px 11px;
  font-variant-numeric:tabular-nums;
}
.tl-card h3{font-size:18px;font-weight:700;margin-bottom:6px}
.tl-card p{font-size:14px;line-height:1.8;color:var(--ink-500)}

/* 侧栏数据徽章卡 */
.sticky-col{position:sticky;top:92px}
.side-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:24px;
  padding:18px;
  box-shadow:var(--shadow-2);
}
.side-card img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:16px;
  border:1px solid var(--line);
}
.side-card h3{
  font-size:16px;
  font-weight:700;
  margin:16px 0 6px;
}
.side-card .side-note{
  font-size:13px;
  line-height:1.75;
  color:var(--ink-500);
}
.stat-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:10px;
  margin-top:14px;
}
.stat{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:2px;
  padding:14px 6px;
  border-radius:18px;
  background:var(--bg);
  border:1px solid rgba(255,90,43,.22);
  text-align:center;
}
.stat-num{
  font-size:24px;
  font-weight:800;
  line-height:1.1;
  color:var(--ink-900);
  font-variant-numeric:tabular-nums;
  font-feature-settings:"tnum";
}
.stat-lbl{font-size:12px;font-weight:600;color:var(--ink-500);white-space:nowrap}
.side-actions{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.side-actions .btn-outline-brand{width:100%}

/* FAQ */
.faq-section{background:var(--bg)}
.faq-list{
  display:flex;
  flex-direction:column;
  gap:14px;
  max-width:920px;
}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
  overflow:hidden;
}
.faq-item.open{border-color:rgba(255,90,43,.32);box-shadow:var(--shadow-2)}
.faq-q{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  width:100%;
  min-height:56px;
  padding:14px 22px;
  background:transparent;
  border:0;
  text-align:left;
  font-size:16px;
  font-weight:700;
  color:var(--ink-900);
  cursor:pointer;
  font-family:inherit;
  transition:color .18s var(--ease);
}
.faq-q:hover{color:var(--brand-1)}
.faq-icon{
  position:relative;
  flex:0 0 auto;
  width:18px;
  height:18px;
  transition:transform .22s var(--ease);
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--ink-500);
  border-radius:2px;
  transition:background .22s var(--ease);
}
.faq-icon::before{left:0;right:0;top:8px;height:2px}
.faq-icon::after{top:0;bottom:0;left:8px;width:2px}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-item.open .faq-icon::before,
.faq-item.open .faq-icon::after{background:var(--brand-1)}
.faq-a{
  display:grid;
  grid-template-rows:0fr;
  transition:grid-template-rows .24s var(--ease);
}
.faq-item.open .faq-a{grid-template-rows:1fr}
.faq-a-inner{overflow:hidden}
.faq-a-body{
  position:relative;
  padding:2px 22px 20px 22px;
}
.faq-a-body::before{
  content:"";
  position:absolute;
  left:22px;
  top:2px;
  bottom:22px;
  width:3px;
  border-radius:3px;
  background:linear-gradient(180deg,#FF5A2B,#FFC53D);
  opacity:0;
  transition:opacity .22s var(--ease);
}
.faq-item.open .faq-a-body::before{opacity:1}
.faq-a-body p{
  padding-left:16px;
  font-size:15px;
  line-height:1.85;
  color:var(--ink-500);
}
.faq-foot{
  margin-top:26px;
  display:flex;
  justify-content:flex-start;
}
.back-top-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--ink-500);
  transition:color .18s var(--ease),transform .18s var(--ease);
}
.back-top-link:hover{color:var(--brand-1);transform:translateY(-1px)}

/* CTA 通栏 */
.cta-band{padding:0 0 84px;background:var(--bg)}
.cta-inner{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-lg);
  background:linear-gradient(120deg,#10121A 0%,#1B1F2E 58%,#10121A 100%);
  padding:56px 40px;
  text-align:center;
}
.cta-inner::before{
  content:"";
  position:absolute;
  top:-120px;
  right:-80px;
  width:360px;
  height:360px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(122,92,255,.30) 0%,rgba(122,92,255,0) 70%);
  pointer-events:none;
}
.cta-inner::after{
  content:"";
  position:absolute;
  bottom:-140px;
  left:-60px;
  width:340px;
  height:340px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(15,194,168,.24) 0%,rgba(15,194,168,0) 70%);
  pointer-events:none;
}
.cta-inner h2{
  position:relative;
  z-index:1;
  color:#fff;
  font-size:clamp(24px,3.2vw,34px);
  font-weight:800;
  margin-bottom:12px;
}
.cta-inner p{
  position:relative;
  z-index:1;
  color:rgba(255,255,255,.72);
  font-size:16px;
  line-height:1.75;
  max-width:560px;
  margin:0 auto 26px;
}
.cta-inner .btn-grad{position:relative;z-index:1}

/* 页脚 */
.site-footer{
  position:relative;
  background:#10121A;
  color:rgba(255,255,255,.62);
  padding:64px 0 0;
  overflow:hidden;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:1px;
  background:linear-gradient(90deg,rgba(255,90,43,0),rgba(255,90,43,.5),rgba(122,92,255,.4),rgba(255,90,43,0));
}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1fr;
  gap:40px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.footer-brand .brand-mark{width:28px;height:28px}
.footer-brand .brand-text{color:#fff;font-size:17px}
.site-footer p{
  font-size:13.5px;
  line-height:1.85;
  color:rgba(255,255,255,.55);
  max-width:320px;
}
.site-footer h4{
  font-size:14px;
  font-weight:700;
  color:rgba(255,255,255,.9);
  margin-bottom:16px;
}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{
  font-size:14px;
  color:rgba(255,255,255,.62);
  width:fit-content;
  transition:color .18s var(--ease),transform .18s var(--ease);
}
.footer-links a:hover{color:#FFC53D;transform:translateX(2px)}
.footer-bottom{
  margin-top:52px;
  padding:20px 0 28px;
  border-top:1px solid rgba(255,255,255,.10);
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.45);
  font-variant-numeric:tabular-nums;
}

/* 响应式 */
@media (max-width:1199.98px){
  .command-search{width:210px}
  .nav-main .nav-link{padding:10px 11px}
}
@media (max-width:991.98px){
  .container{padding-left:24px;padding-right:24px}
  .nav-main{display:none}
  .command-search{display:none}
  .icon-btn{display:none}
  .header-cta{display:none}
  .mobile-search-btn{display:inline-flex}
  .hamburger{display:inline-flex}
  .split{grid-template-columns:minmax(0,1fr);gap:24px}
  .sticky-col{position:static;order:-1}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:56px 0}
  .cta-band{padding-bottom:64px}
  .cta-inner{padding:48px 28px}
  .kv-inner{padding:40px 0 44px;gap:24px}
  .kv-deco{width:110px;height:110px}
  .kv-deco span{font-size:110px}
}
@media (max-width:767.98px){
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .site-footer p{max-width:none}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px}
  .section{padding:40px 0}
  .header-inner{gap:12px}
  .brand-text{font-size:16px}
  .kv-deco{display:none}
  .page-kv h1{font-size:clamp(26px,7.6vw,32px)}
  .page-kv .kv-lead{font-size:15.5px}
  .tl-item{padding-left:36px}
  .tl-list::before{left:9px}
  .tl-dot{left:2px;width:14px;height:14px}
  .tl-card{padding:16px 16px}
  .faq-q{padding:14px 16px;font-size:15px}
  .faq-a-body{padding:2px 16px 18px 16px}
  .faq-a-body::before{left:16px}
  .faq-a-body p{padding-left:14px;font-size:14.5px}
  .stat-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
  .stat-num{font-size:20px}
  .stat-lbl{font-size:11px}
  .cta-inner{padding:40px 20px;border-radius:24px}
  .cta-inner .btn-grad{width:100%}
  .cta-band{padding-bottom:48px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .btn-grad,.btn-ghost{min-height:46px}
}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  html{scroll-behavior:auto}
  .tl-card:hover,
  .btn-grad:hover,
  .btn-ghost:hover,
  .btn-outline-brand:hover,
  .icon-btn:hover,
  .footer-links a:hover{transform:none}
  .tl-dot.is-lit{box-shadow:none}
}